[2] null, 9/17/2023, 4:11:25 PM, 6/12/2004, 6:18:20 PM https://web.archive.org/web/20040612181520/http://www.jsa.or.jp/domestic/instac/review/edreview.htm
[4] >>2 残念ながら本文PDFは所蔵されていません。
[3] 親指シフトの広場 [One Tree All Message], 5/3/2006, 4:53:38 PM, 9/17/2023, 4:20:21 PM https://www2d.biglobe.ne.jp/~msyk/cgi-bin/oyayubi.cgi?mode=all&number=126&type=0&space=0
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